Manufacture of glass tile.



'PATBNTEDS FEB. a, 1903. H. J. SAGE.

m: Nonms pawns co. PnoTauTuc.. WASHINGTON, n. c.

MANUFAGTURL or GLASS TILL.

nrLIoAT'IoL FILED n? 21.1900.

'I0 IODEL.

WITNESSES UNTTED STATES PATENT OEEICE.

HENRY J. SAGE, OF BEAVER, PENNSYLVANIA, ASSIGNOR TO OPALITfE TILE iCOMPANY, OF PITTSBURG, PENNSYLVANIA, A CORPORATION OF PENN- l SYLVANIA.

, MANUFACTURE OF GLASS TILE.

l SPECIFICATION forming part of Letters Patent No. 719,511, datedFebruary 3, 1903.

' Application inea May 21,1900. serai No. 17,339. (No mode.)

To @ZZ whom t may concern: it is very difficult to get all parts of itof the Be it known that I, HENRY J. SAGE, of same shade. Beaver, in thecounty of Beaver and State of In the drawings, 2 represents the table onPennsylvania, have invented a new and usewhich the sheet of glass isrolled and which 5o 5 ful Improvementin the Manufacture of Glass isprovided with a roller 3 and with strips or Tile, of which the followingis a full, clear, guides 4, forming an adjustable gage adaptand exactdescription, reference being had to ing the roller to be adjusted toroll uniform the accompanying drawing, forming part of sheets ofglass ofany desired thickness. After this specification,in which the ligure isaplan the glass has been rolled on this table it is 55 Io view partly inlongitudinal section. placed on a flattening-stone 5, where it is In themanufacture of tile from glass great heated and polished by passingflame over it diculty has been experienced in producing and rubbing itssurface with a wooden block. tiles of uniform thickness and uniformcolor, I then pass it through a long tunnel or leer 6, slightdifferences in these respects between where it is gradually cooled andannealed. A 6c I5 diiferent tiles producing serious results, bebackingof sand, broken glass, or like matecause when the tiles are set inposition on the rial and a glass-flux are then applied to the wall orother surface to which they are apglass. Itis placed agaiuin theflattening-oven plied they will not match and their appearor in anotheroven and is heated, and when ance is to that extent impaired. Much laborthe flux is fused it is again passed through 65 zo and expense have beendevoted to overcomthe leer. These operations of iiatteningand ing thesedifficulties, which I believe I have heating the glass intensify thecolor, and as for the first time overcome in a satisfactory the thermalconditions to which the different manner. v sheets are subjected are thesame uniform In the manufacture of myimproved tile I glass tiles of thesame color and shape can 7o 25 proceed by rolling a sheet of opal orcoleasily be produced.

ored glass upon a rolling-table, reducing :it Where it is desired toproduce tile having throughout to a standard thickness. I then apatterned surface, I may form on the surtake the tile so rolled andplace it on a atface of the rolling-table a pattern which will pLening-stone and re polish it by passing be reproduced on the bottom ofthe glass 75 t 3o flame over it and rubbing its surface with a sheet. Ithen apply the backing and flux to wooden block and thence pass itthrough a the top of the hot glass sheet and immediately l y leer, bywhich operations the sheet is flatplace it in the flattening-oven, Whereit is ,t tened and annealed. Broken glass, sand, or simultaneouslyflattened and the flux fused. other backing and a flux are then appliedto It is then annealed. In this operation the 8o 35 the glass sheet,which sheet is again preferfire-polishing is omitted.

ably introduced into an oven on a attening- I claimstone and heated, soas to fuse the backing l. An improvement in the manufacture of materialand cause it to adhere rmly to the glass tile, which consists in rollinga sheet of glass. The glass is then again passed through opal or coloredglass of predetermined thick- 85 4o the leer and finally annealed, afterwhich it ness, annealing the same, applying abacking is cut to thedesired dimensions. The result thereto with a suitable flux, reheatingand is that I obtain tiles which are of uniform melting said iiuX, andthen reannealing the thickness and also of uniform color, for I haveglass; substantially as described. found that the manner of heating andmanip- 2. An improvement in the manufacture of 9o 45 ulation has much todo with the color of the glass tile, which consists in rollinga sheet ofglass and that when glass is blown or pressed opal or colored glass ofpredetermined thickness, lire-polishing, and annealing the same, Whilethe glass is still hot, then heating the 1o applying a backing.,rthereto with a suitable sheet to uX the backing and then annealing flux.reheating and melting said flux, and the same; Substantially asdescribed.

then reannealng the glass; substantially as In testimony whereof I havehereunto set 5 described. myhand.

3. An improvement in the manufacture of HENRY J. SAGE. glass tile, whichconsists in rollingr a sheet of Vitnesses: opal or colored glass to apredetermined thick- THOMAS W. BAKEW ELL,

ness, applying a backing and aux thereto H. M. CORWIN.

